HCoop / hcoop / debian / openafs.git / blame
| Commit | Line | Data |
|---|---|---|
| 805e021f CE |
1 | /* |
| 2 | * Copyright 2000, International Business Machines Corporation and others. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 5 | * This software has been released under the terms of the IBM Public | |
| 6 | * License. For details, see the LICENSE file in the top-level source | |
| 7 | * directory or online at http://www.openafs.org/dl/license10.html | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef AFS_PTHREAD_NOSIGS_H | |
| 11 | #define AFS_PTHREAD_NOSIGS_H | |
| 12 | ||
| 13 | /* We want servers to only handle signals in the main thread. To do this | |
| 14 | * we must block signals in the child threads. To do this, wrap pthread_create | |
| 15 | * with these macros. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifdef AFS_NT40_ENV | |
| 19 | /* Compilers complain about empty declaration unless at end of decl's */ | |
| 20 | #define AFS_SIGSET_DECL int i_junk=0 | |
| 21 | #define AFS_SIGSET_CLEAR() ++i_junk | |
| 22 | #define AFS_SIGSET_RESTORE() --i_junk | |
| 23 | #else | |
| 24 | #define AFS_SIGSET_DECL sigset_t i_tset, i_oset | |
| 25 | #ifdef AFS_AIX42_ENV | |
| 26 | #define AFS_SET_SIGMASK sigthreadmask | |
| 27 | #else | |
| 28 | #define AFS_SET_SIGMASK pthread_sigmask | |
| 29 | #endif | |
| 30 | #ifdef SIGSEGV | |
| 31 | #define _SETSEGV sigdelset(&i_tset, SIGSEGV); | |
| 32 | #else | |
| 33 | #define _SETSEGV ; | |
| 34 | #endif | |
| 35 | #ifdef SIGBUS | |
| 36 | #define _SETBUS sigdelset(&i_tset, SIGBUS); | |
| 37 | #else | |
| 38 | #define _SETBUS ; | |
| 39 | #endif | |
| 40 | #ifdef SIGILL | |
| 41 | #define _SETILL sigdelset(&i_tset, SIGILL); | |
| 42 | #else | |
| 43 | #define _SETILL ; | |
| 44 | #endif | |
| 45 | #ifdef SIGTRAP | |
| 46 | #define _SETTRAP sigdelset(&i_tset, SIGTRAP); | |
| 47 | #else | |
| 48 | #define _SETTRAP ; | |
| 49 | #endif | |
| 50 | #ifdef SIGABRT | |
| 51 | #define _SETABRT sigdelset(&i_tset, SIGABRT); | |
| 52 | #else | |
| 53 | #define _SETABRT ; | |
| 54 | #endif | |
| 55 | #ifdef SIGFPE | |
| 56 | #define _SETFPE sigdelset(&i_tset, SIGFPE); | |
| 57 | #else | |
| 58 | #define _SETFPE ; | |
| 59 | #endif | |
| 60 | #define AFS_SIGSET_CLEAR() \ | |
| 61 | do { \ | |
| 62 | int b; \ | |
| 63 | sigfillset(&i_tset); \ | |
| 64 | _SETSEGV \ | |
| 65 | _SETBUS \ | |
| 66 | _SETILL \ | |
| 67 | _SETTRAP \ | |
| 68 | _SETABRT \ | |
| 69 | _SETFPE \ | |
| 70 | b = (AFS_SET_SIGMASK(SIG_BLOCK, &i_tset, &i_oset) == 0); \ | |
| 71 | opr_Assert(b); \ | |
| 72 | } while (0) | |
| 73 | ||
| 74 | #define AFS_SIGSET_RESTORE() \ | |
| 75 | do { \ | |
| 76 | int b = (AFS_SET_SIGMASK(SIG_SETMASK, &i_oset, NULL) == 0); \ | |
| 77 | opr_Assert(b); \ | |
| 78 | } while (0) | |
| 79 | #endif /* AFS_NT40_ENV */ | |
| 80 | ||
| 81 | #endif /* AFS_PTHREAD_NOSIGS_H */ |